Proudly Australian Owned & Operated

Proudly Australian Owned & Operated

Now in its 3rd generation of ownership, Master Instruments continues to specialise in the manufacture, importation & distribution of batteries, battery packs & associated equipment such as battery chargers, analysers & power products, for both the consumer & industrial sectors.

Our Products

Our Products

From consumer focused AA batteries to replacement mobile or laptop batteries; or an in-house manufactured medical equipment battery to fully customised battery solutions for mining or defence projects, we.ll have a suitable solution for you.

Retail & Wholesale Support

Retail & Wholesale Support

With over 8000 stocked lines covering a multitude of applications and fitments, MI can support your retail or wholesale business by providing fast and efficient service and quality products. Our strength is our ability to efficiently cater to all size orders.

Custom & Industrial Battery Solutions

Custom & Industrial Battery Solutions

With in-house & offshore manufacturing capabilities specialising in all primary and rechargeable technologies, we have proven results in industries such as mining, medical, defence and more.

Batteries By Application Use

Explore by product category, application or intended use

Batteries By Chemistry

Find your battery by chemistry type both rechargeable & primary

Battery Chargers

Chargers for batteries and electronic devices

Battery Analysers

View our range of battery testers & analysers

Battery Assembly

Custom battery pack assembly provision

Industry Solutions

Explore our capabilities to supply your industry need

Power Products

For all your AC & DC power supplies, solar, inverters & power distribution

Battery Assembly Parts

Battery assembly components, parts, leads & connectors

Test & Measurement

Digital test & measurement, telco equipment analogue meters & shunts

Torches & Flashlights

LED & standard torches, flashlight & exit light batteries

Battery Holders & Cases

We cater for a range of battery holders and cases

Power Engineering Tools

Crimping, Opening & Extraction Tools, Cordless Soldering Irons.

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Featured Products

10Ah Powerbank with Power Delivery

Slimline Powerbank with 2 x USB-A & 1 x USB-C with Power Delivery outputs for super fast charging Click the heading to read more

Smart Battery Sense

Optimise your battery charging via bluetooth with this voltage and temperature sensor  Click the heading to read more

Battery for Amazon Kindle Fire

We have just added a battery for the Amazon Kindle Fire! Check out the whole range of eBook batteries Click the heading for more

Battery for Beats Studio 2 Headphones

Groove for longer with our replacement batteries for the Studio 2.0 headphones by Beats(R)   Click the heading for more

Products by Brand


Batteries in a Portable World


This book is a great reference for those wanting to know more about the batteries in today's modern worldRead More

MI @ 2019 SMBE


James Bloemen represented Master Instruments at the 2019 SMBE Training Seminar in Orange NSWRead More

Lithium Air Freight Update


Lithium Batteries by AirfreightRead More

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